Present continuous for future arrangements
The present continuous tense (subject + 'be' = verb-ing) is often used to talk about future arrangements. A future arrangement is a plan that you have decided and organised with another person.
I'm spending the weekend in Ferreries
We're meeting Roberto tomorrow afternoon.
English speakers often use the present continuous tense to talk about things they are about to start doing. This is especially common with verbs of movement, such as go, come, leave etc.
I'm going home now - Good night!
Time expressions are often used when present continuous is used to talk about future arrangements.
I'm working over the weekend.
They are walking to Sa Caleta tomorrow morning.
What are we all doing at Christmas?
I'm going to bed now.